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Analog Electronics

Analog Electronics
The room temperature resistivity of pure silicon is

 50
 6
 3000
 300

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Analog Electronics
The collector - emitter voltage is usually

 none of these.
 more than the collector supply voltage.
  less than the collector supply voltage.
 equal to the collector supply voltage.

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Analog Electronics
Generally, the gain of a transistor amplifier falls at high frequencies due to the

Internal Capacitance of the device
Coupling capacitor at the output
Coupling capacitor at the input
Skin effect

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Analog Electronics
The most commonly used amplifier in sample & hold circuits is

An inverting amplifier with a gain of 10
An inverting amplifiers with a gain of 100
A unity gain inverting amplifier
A unity gain non-inverting amplifier

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Analog Electronics
For Germanium pn junction, the maximum value of barrier potential is

 1.6V
 1.5V
 0.7V
 0.3V

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Analog Electronics
The value of total collector electric current in a CB circuit is

  IC = αIE - ICO.
  IC = αIE.
  IC = βIE.
  IC = αIE + ICO.

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